28 lines
735 B
Plaintext
28 lines
735 B
Plaintext
---
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title: reduce_dim_to_via_pca
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description: API reference for qiskit.aqua.utils.reduce_dim_to_via_pca
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in_page_toc_min_heading_level: 1
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python_api_type: function
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python_api_name: qiskit.aqua.utils.reduce_dim_to_via_pca
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---
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# qiskit.aqua.utils.reduce\_dim\_to\_via\_pca
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<Function id="qiskit.aqua.utils.reduce_dim_to_via_pca" isDedicatedPage={true} github="https://github.com/qiskit-community/qiskit-aqua/tree/stable/0.9/qiskit/aqua/utils/dataset_helper.py" signature="reduce_dim_to_via_pca(x, dim)">
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Reduce the data dimension via pca
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**Parameters**
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* **x** (*numpy.ndarray*) – NxD array
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* **dim** (*int*) – the targeted dimension D’
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**Returns**
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NxD’ array
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**Return type**
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numpy.ndarray
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</Function>
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